MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ab10d5cd36b812cebe488d54250014cf4b363a61fcd3a32b318a19b2d774d7e. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ab10d5cd36b812cebe488d54250014cf4b363a61fcd3a32b318a19b2d774d7e
SHA3-384 hash: 25e929e5b8ffabe3d01ab9caec60d8607f8dc7ef0dd48abc12e209a183a911b65665d3445a838275ac8524fd33ab0fbd
SHA1 hash: c2e556cb2e6cf363fda2e2660853b6732290fe33
MD5 hash: dd73709f2f213c8f63b74d05e37132b5
humanhash: salami-august-hamper-wisconsin
File name:Payment_confirmation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:914'944 bytes
First seen:2024-06-10 10:45:50 UTC
Last seen:2024-06-17 13:35:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:NTVd77cVpSRj221r4Nt5461MXcw3d0bBA74MHUK7ds/VtbDUsvExOaoLaq/w:bJ7ipYjXraI5d0lA74Uy/bYzOyq/w
Threatray 6 similar samples on MalwareBazaar
TLSH T16415D0AA17E53C80C07F6BB614B03054A3B1E5CB6C53D2DD4AC184FA6FF2B55AE91263
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
336
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4ab10d5cd36b812cebe488d54250014cf4b363a61fcd3a32b318a19b2d774d7e.exe
Verdict:
Suspicious activity
Analysis date:
2024-06-10 11:16:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f9380a2b-a01b-461d-a312-abf8aa0ea9a6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.73059467.8969.18469.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6667073da439c6d6b0874f7awin10vpnfull_triage
Tags:
Generic Stealth Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Creating a window
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade vbnet
Link:
https://www.filescan.io/uploads/6666d97821581a92819bf69f/reports/4d59532f-5c51-47ee-8121-25e1a62a9830/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/4ab10d5cd36b812cebe488d54250014cf4b363a61fcd3a32b318a19b2d774d7e
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/da73eb1d-df54-4288-87b9-7b0733a44fd7
Result
Threat name:
DarkTortilla, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1454504
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries Google from non browser process on port 80
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1454504 Sample: Payment_confirmation.exe Startdate: 10/06/2024 Architecture: WINDOWS Score: 100 32 www.bulletinnest.com 2->32 34 bulletinnest.com 2->34 36 2 other IPs or domains 2->36 46 Snort IDS alert for network traffic 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 8 other signatures 2->52 10 Payment_confirmation.exe 14 3 2->10         started        signatures3 process4 dnsIp5 42 www.google.com 142.250.185.100, 49712, 80 GOOGLEUS United States 10->42 30 C:\Users\...\Payment_confirmation.exe.log, ASCII 10->30 dropped 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->64 66 Injects a PE file into a foreign processes 10->66 68 Queries Google from non browser process on port 80 10->68 15 Payment_confirmation.exe 10->15         started        file6 signatures7 process8 signatures9 70 Maps a DLL or memory area into another process 15->70 18 QwDWiMZuswGdooUkEOpMtAbzwiD.exe 15->18 injected process10 signatures11 44 Found direct / indirect Syscall (likely to bypass EDR) 18->44 21 charmap.exe 13 18->21         started        process12 signatures13 54 Tries to steal Mail credentials (via file / registry access) 21->54 56 Tries to harvest and steal browser information (history, passwords, etc) 21->56 58 Modifies the context of a thread in another process (thread injection) 21->58 60 3 other signatures 21->60 24 QwDWiMZuswGdooUkEOpMtAbzwiD.exe 21->24 injected 28 firefox.exe 21->28         started        process14 dnsIp15 38 bulletinnest.com 135.181.212.206, 49728, 80 HETZNER-ASDE Germany 24->38 40 www.skinut-ves.ru 31.31.198.106, 49729, 49730, 49731 AS-REGRU Russian Federation 24->40 62 Found direct / indirect Syscall (likely to bypass EDR) 24->62 signatures16
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4ab10d5cd36b812cebe488d54250014cf4b363a61fcd3a32b318a19b2d774d7e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4ab10d5cd36b812cebe488d54250014cf4b363a61fcd3a32b318a19b2d774d7e/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-06-07 11:22:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jkyq2xgtnoasz27erdkueuabjt2lgy5gd7gtumvtdcqzwllxjv7a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2ec948f00ef204cb309ed453815b601c7b64fe2d8aaf1966a705bfb0f221c933
Formbook
d3f18f0a0b2c7b7f8e365b00f804f76f0b747824086c5a9530471efd1ebf5174
Formbook
d9fc8d807e2600ab61f705dbc00f3b7a510cfcfed0fb8cb818aef1d156b3c23d
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240610-m4c99agd3t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/39ed45f2-e0ff-4ddf-95c8-068197120991
Unpacked files
SH256 hash:
6c6843deec10df07a6ee8038865d4f12c0a8937581c1ea44d4748defe4eda8b0
MD5 hash:
56e5354d587cc94fafa1ad448c77e69c
SHA1 hash:
42c1379fdb506bb82f89cc581400e92cc9888eeb
Link:
https://www.unpac.me/results/b2d49b0b-9d23-4d2f-aec5-f9d585b6e58f/
SH256 hash:
56aaa2b9e53d69dd75c8d1247220d8ea97b1b7705796b2e2ddff34c7eea8adee
MD5 hash:
50f28d178452b2db4e1f466904e55c78
SHA1 hash:
d9a3246a570715d756a6c653b6818afb99ae39ec
Link:
https://www.unpac.me/results/b2d49b0b-9d23-4d2f-aec5-f9d585b6e58f/
SH256 hash:
0781f74db6c9ff7aa0c1e76dd0ebc4a9575fba6caca9aac9fb0131c5a73c84be
MD5 hash:
2c064163cda2f093cf6d20302481dff7
SHA1 hash:
cf948b10d999c369ef51972f86278a4f536d400d
Link:
https://www.unpac.me/results/b2d49b0b-9d23-4d2f-aec5-f9d585b6e58f/
SH256 hash:
2db82e9b91b1ccb1957b4e06ec49bfb0096e973213fc1786de1bbe3162f5df5a
MD5 hash:
27dea42a70bd7e948f1171ce873878a1
SHA1 hash:
b87051d51479c093cdf3e721acea4fd8b940b1e5
Link:
https://www.unpac.me/results/b2d49b0b-9d23-4d2f-aec5-f9d585b6e58f/
SH256 hash:
4ab10d5cd36b812cebe488d54250014cf4b363a61fcd3a32b318a19b2d774d7e
MD5 hash:
dd73709f2f213c8f63b74d05e37132b5
SHA1 hash:
c2e556cb2e6cf363fda2e2660853b6732290fe33
Link:
https://www.unpac.me/results/b2d49b0b-9d23-4d2f-aec5-f9d585b6e58f/
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 4ab10d5cd36b812cebe488d54250014cf4b363a61fcd3a32b318a19b2d774d7e

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments